Scopes are what provide visibility to master data between zones & adaptors.
Scopes are a key component of MDM and are part of what is often referred to as the router. Scopes can be thought of as permissions on out-bound data. Scopes are controlled at various levels:
| Source of Data | Destination | Priority |
|---|---|---|
| Zone[1] | Zone[2] | 1 |
| Zone[1].Adaptor[x] | Zone[2] | 2 |
| Zone[1].MDR[i] | Zone[2] | 3 |
| Zone[1].MDR[i].MDRproperty[X] | Zone[2] | 4 |
| Zone[1].Adaptor[x].MDRproperty[X] | Zone[2] | 5 |
* At the highest level a Zone[1] can shutoff all outbound master data changes to Zone[2] and at the lowest level, Zone[1] can shutoff sharing a single attribute on a single adaptor (that it owns) to Zone[2],
* Sharing precedence is based on the priority e.g. If Zone[1] has turned off access to Zone[2] (Priority 1), then all other sharing actions are null.
* Permissions for each element are based on REST operations GET, PATCH, POST and DELETE. An additional operation is added for PUSH -- where a zone allows another to receive real-time changes however it may be determined that GET will scope will include PUSH.